OCI Oracle Linux: rescan command is failed on Linux after scaling up disk space from console

Summary:

we need to resize for OCI instance disk space, because /dev/sdb for mount point /u01/install/APPS is 100% full

in this case, we are expanding an existing volume in place, Increased 150g to 200g by editing and save it from OCI console, but when we try rescan command it is failed.

Content (please ensure you mask any confidential information):

when we try the below rescan command as mentioned in the standard docs, it ended-up with error. Please help if any suggestions here.

$$sudo dd iflag=direct if=/dev/oracleoci/oraclevdb of=/dev/null count=1 echo "1" | sudo tee /sys/class/block/'readlink /dev/oracleoci/oraclevdb | cut -d'/' -f 2'/device/rescan